cn has many different meanings, as follows: 1. cn: China's national top-level domain name. CN, Internet network domain name, national top-level domain name, indicating China's national domain name.
It is officially registered and operated by China Internet Network Information Center (Inter NIC).
The .CN domain name is the only English international top-level domain name in the world managed by China. It is the Internet logo of Chinese enterprises. It embodies a cultural identity, its own value and positioning.
2. cn: abbreviation for airport construction fee: "Airport construction fee" in CN tickets is abbreviated as CN, and "fuel surcharge" is abbreviated as YQ airport construction fee. It is a charging system established to raise funds for airport construction.
In the early days, there were two channels for airport construction: the civil aviation system and local governments.
In order to ensure local return on investment, this system was retained.
In April 2012, the Ministry of Finance announced the new "Interim Measures for the Collection and Use Management of Civil Aviation Development Fund", which stipulated that airport construction fees should be replaced by the Civil Aviation Development Fund.
3. cn: The original meaning of the Chinese English abbreviation Cn is: the abbreviation extracted from the English word china as the code for the top-level domain name of the Internet region.
Now it generally refers to China, such as: Us (United States).
4. cn: TV channel (Cartoon Network) cn is a cable TV channel established by Turner Broadcasting System Co., Ltd. (Turner Brocasting System; TBS) to exclusively broadcast animation programs. It was later merged into Time Warner along with TBS.
5. cn: The identification mark of a unified domestic publication number "CN" is the identification mark of a unified domestic publication number.
The domestic unified publication number uses the Chinese country code "CN" specified in GB2659-86 as the identification mark, and consists of two parts: the newspaper registration number and the classification number, separated by a slash "/".